Ship firing is written but holy fuck it really doesn't work

Assignment3Project/Assignment3Project/bullet.cpp

@@ -4,6 +4,7 @@ Bullet::Bullet() {
 	speed = 1.0;
 	height = 20;
 	width = 5;
+	oob = false;
 }
 
 void Bullet::reset_pos(float x, float y) {
@@ -12,8 +13,14 @@ void Bullet::reset_pos(float x, float y) {
 }
 
 void Bullet::draw() {
-	al_draw_filled_rectangle(x_pos, y_pos, x_pos + width, y_pos + height, al_map_rgb(0,0,0));
+	if (!oob) {
+		al_draw_filled_rectangle(x_pos, y_pos, x_pos + width, y_pos + height, al_map_rgb(0, 0, 0));
+	}
 }
 
 void Bullet::move(Direction dir) {
+	y_pos -= 6;
+	if (y_pos < 0 - height) {
+		oob = true;
+	}
 }

Assignment3Project/Assignment3Project/game_element.h

@@ -9,6 +9,7 @@ public:
 	float speed;
 	int height;
 	int width;
+	bool oob;
 
 	virtual void reset_pos(float x, float y) = 0;
 	virtual void move(Direction dir) = 0;

Assignment3Project/Assignment3Project/game_screen.cpp

@@ -33,6 +33,7 @@ GameScreen::GameScreen(std::map<std::string, ALLEGRO_BITMAP*> _sprites, std::map
 void GameScreen::reset() {
 	ship.set_sprite(sprites["Ship"]);
 	ship.reset_pos(SCREEN_W / 2, SCREEN_H / 8);
+	max_bullets = 3;
 }
 
 //If a sample needs to be played while it is still being played, it will be stopped first.
@@ -66,6 +67,7 @@ void GameScreen::run(ALLEGRO_FONT* font) {
 		ALLEGRO_EVENT ev;
 		al_wait_for_event(event_queue, &ev);
 		if (ev.type == ALLEGRO_EVENT_TIMER) { //Check per frame
+			//Ship Movement
 			if (keys[KEYUP]) {
 				if (keys[KEYRIGHT]) {
 					ship.move(UR);
@@ -95,6 +97,13 @@ void GameScreen::run(ALLEGRO_FONT* font) {
 				ship.move(R);
 			}
 
+			//Firing
+			if (keys[KEYSPACE]) {
+				if (bullets.size() < max_bullets) {
+					bullets.push_back(ship.fire());
+				}
+			}
+
 			//Global refresh
 			al_clear_to_color(al_map_rgb(0, 0, 0));
 			redraw(font);
@@ -177,6 +186,19 @@ void GameScreen::run(ALLEGRO_FONT* font) {
 //Redraw all elements of the screen
 void GameScreen::redraw(ALLEGRO_FONT* font) {
 	ship.draw();
+
+	vector<int> unload;
+	for (unsigned int i = 0; i < bullets.size(); i++) {
+		if (bullets.at(i).oob) {
+			unload.push_back(i);
+		}
+		bullets.at(i).move(U);
+		bullets.at(i).draw();
+	}
+	for (unsigned int i = 0; i < unload.size(); i++) {
+		int x = unload.at(i);
+		bullets.erase(bullets.begin() + x);
+	}
 }
 
 void GameScreen::back() {

Assignment3Project/Assignment3Project/game_screen.h

@@ -4,6 +4,7 @@
 
 #include "screen.h"
 #include "ship.h"
+#include "bullet.h"
 
 //Main screen for gameplay
 class GameScreen : public Screen {
@@ -15,6 +16,8 @@ public:
 	int level;
 	bool music;
 	Ship ship;
+	unsigned int max_bullets;
+	std::vector<Bullet> bullets;
 
 	GameScreen(std::map<std::string, ALLEGRO_BITMAP*> _sprites, std::map<std::string, ALLEGRO_SAMPLE*> _samples);
 

Assignment3Project/Assignment3Project/ship.cpp

@@ -53,6 +53,8 @@ void Ship::move(Direction dir) {
 	}
 }
 
-void Ship::fire() {
-
+Bullet Ship::fire() {
+	Bullet new_bullet;
+	reset_pos((x_pos + width) / 2, y_pos + new_bullet.height);
+	return new_bullet;
 }

Assignment3Project/Assignment3Project/ship.h

@@ -3,6 +3,7 @@
 
 #include "enums.h"
 #include "game_element.h"
+#include "bullet.h"
 
 class Ship : public GameElement {
 public:
@@ -14,5 +15,5 @@ public:
 	void set_sprite(ALLEGRO_BITMAP* _sprite);
 	void draw();
 	void move(Direction dir);
-	void fire();
+	Bullet fire();
 };